Bidirectional ventricular tachycardia unmasked by beta-blockade in pheochromocytoma presenting as hypertensive optic neuropathy: a case report and literature review
Pheochromocytoma is a catecholamine-secreting neuroendocrine tumor that can produce life-threatening cardiovascular complications. Bidirectional ventricular tachycardia (BVT) is a rare arrhythmia with a narrow differential diagnosis, classically associated with digitalis toxicity and catecholaminergic polymorphic v...